Terms - different uses

• Source (river or stream)
  Source (river or stream)
  The source or headwaters of a river or stream is the place from which the water in the river or stream originates.-Definition:There is no universally agreed upon definition for determining a stream's source...
  
   - also: "watershed" and/or "headwaters" in some countries.
• Confluence
  Confluence
  Confluence, in geography, describes the meeting of two or more bodies of water.Confluence may also refer to:* Confluence , a property of term rewriting systems...
  
   - also: "headwaters - Source (river or stream)" in some countries.
• Drainage basin
  Drainage basin
  A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...
  
   - also: "watershed" or "hydrologic region" in some countries.
• Drainage divide - also: source of "headwaters - Source (river or stream)" &/or "watershed - Source (river or stream)" in some countries.

Drainage divides

• Water divides index of topics
• The European Watershed
  European Watershed
  The European Watershed is the line which divides the drainage basins of the major rivers of Germany: the Rhine, which originates in the Swiss Alps and empties into the North Sea via the Netherlands, and the Danube, which originates in the Black Forest and flows eastward emptying into the Black...
  
  , the line dividing the drainage basins of the major rivers of Europe
• The Drainage divides, the lines dividing drainage basin
  Drainage basin
  A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...
  
  s in North America (i.e.: Great Basin Divide
  Great Basin Divide
  The Great Basin Divide is the western continental divide that separates the Great Basin from the Pacific Ocean watershed. The water divide is the perimeter of the largest set of contiguous endorheic watersheds of North America, including six entire USGS watershed subregions...
  
   and Great Basin hydrologic region)

Watersheds and drainage basins

• Basins index of topics
• Watersheds index of topics
• List of drainage basins by area: A worldwide List of watersheds
• Watersheds of the Atlantic Ocean index
• Watersheds of the Arctic Ocean index

Watersheds - basins by country

• Watersheds of Canada index
• Watersheds of the United States index and list
• Drainage systems of Australia index

Examples

• Lake Erie Watershed (Pennsylvania)
  Lake Erie Watershed (Pennsylvania)
  Lake Erie Watershed is a major drainage catchment in northwestern Pennsylvania, consisting of lands with direct runoff and sub-watersheds with waterways that flow into Lake Erie and Presque Isle Bay from Crawford and Erie counties, as well as from New York...
  
  
• Guadalupe Watershed
  Guadalupe Watershed
  The Guadalupe Watershed consists of of land within northern California's Santa Clara County. This watershed is owned and managed by the Santa Clara Valley Water District...
  
  
• Hudson River Watershed
  Hudson River Watershed
  The Hudson River Watershed is the watershed of the Hudson River. It lies almost entirely in U.S. state of New York , but also part of Vermont , Massachusetts , New Jersey , and Connecticut .-External links:* *...
  
  
• Humber Watershed
• Red River (Mississippi watershed)
  Red River (Mississippi watershed)
  The Red River, or sometimes the Red River of the South, is a major tributary of the Mississippi and Atchafalaya Rivers in the southern United States of America. The river gains its name from the red-bed country of its watershed. It is one of several rivers with that name...
  
  
• Turtle Creek Watershed
  Turtle Creek Watershed
  According to the Turtle Creek Watershed Association, "The Turtle Creek watershed is situated in western Westmoreland County and eastern Allegheny County in southwestern Pennsylvania. Sixty-six percent of the watershed is situated in Westmoreland County, 34 percent in Allegheny County...
  
  

Management organizations

• Watershed management
  Watershed management
  Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs, and projects to sustain and enhance watershed functions that affect the plant, animal, and human...
  
  , the management of drainage basins
• Watershed Protection and Flood Prevention Act
  Watershed Protection and Flood Prevention Act
  The United States Watershed Protection and Flood Prevention Act of 1954 is a United States statute. It has been amended several times.Under this Act, the Soil Conservation Service at the Department of Agriculture provides planning assistance and construction funding for projects constructed by...
  
  , a United States law controlling drainage and water storage
• Watershed district
  Watershed district
  Watershed districts are special government entities in the U.S. state of Minnesota that monitor and regulate the use of water in watersheds surrounding various lakes and rivers in the state. The districts cover the natural regions of the watersheds, rather than politically-defined regions...
  
  , one of a number of government entities in the US state of Minnesota which monitor and regulate the use of water in drainage basins

Examples

• Great Swamp Watershed Association
  Great Swamp Watershed Association
  The Great Swamp Watershed Association is a member-based, non-profit, 501 organization dedicated to preserving and protecting water and natural areas. Their programs serve all who live, work, or play in the watershed...
  
  
• Los Angeles & San Gabriel Rivers Watershed Council
  Los Angeles & San Gabriel Rivers Watershed Council
  The Los Angeles & San Gabriel Rivers Watershed Council, recently renamed the Council for Watershed Health, was founded in 1996 with the objective of bringing together representatives from all of the water agencies , regulatory agencies, citizen groups, and businesses with responsibilities or...
  
  
• Minnehaha Creek Watershed District
  Minnehaha Creek Watershed District
  The Minnehaha Creek Watershed Districts Mission is to protect, improve and manage surface and groundwater resources. The Minnehaha Creek in its name refers to the water link from Lake Minnetonka to the Mississippi River. The watershed is much bigger than that lake or creek, and includes 29...
  
  
• Santa Fe Watershed Association
  Santa Fe Watershed Association
  The Santa Fe Watershed Association is a non-profit organization based in Santa Fe, New Mexico. The mission of the Santa Fe Watershed Association is to return the Santa Fe River to a living river, from its beginning at Lake Peak to its final outfall at the Rio Grande, balancing human uses with...
  
  
• Walla Walla Basin Watershed Council
  Walla Walla Basin Watershed Council
  The Walla Walla Basin Watershed Council is a non-profit grassroots organization in the U.S. states of Washington and Oregon that fosters education and cooperation among all parties with interests in the Walla Walla River Watershed. Such cooperation and education leads to efforts that improve and...
  
  
• Yukon River Inter-Tribal Watershed Council
  Yukon River Inter-Tribal Watershed Council
  The Yukon River Inter-Tribal Watershed Council is made up of 66 First Nations and tribes in Alaska and Canada, living along the Yukon River. The council serves as a lobby group for protecting and cleaning up the Yukon....
  
  

Other uses

• Watershed College
  Watershed College
  Watershed College is a private school situated in a pastoral setting near the town of Marondera in Zimbabwe. The College provides secondary education as well as an Agricultural course for girls and boys between the ages of 13 and 19....
  
  , Zimbabwe
  Zimbabwe
  Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...
  
  
• Watershed Media Centre
  Watershed Media Centre
  Watershed opened in June 1982 as the United Kingdom's first dedicated media centre. Based in former warehouses on the harbourside at Bristol, it hosts three cinemas, a café/bar, events/conferencing spaces, and office spaces for administrative and creative staff. It occupies the former V and W sheds...
  
  , Bristol, England
• Stony Brook Millstone Watershed Arboretum
  Stony Brook Millstone Watershed Arboretum
  The Stony Brook Millstone Watershed Arboretum is an arboretum maintained by the nonprofit Stony Brook Millstone Watershed Association, and located at 31 Titus Mill Road, Pennington, in Mercer County, New Jersey. It is open daily without charge....
  
  
• "River of Words"; watersheds as subject poetry competition